Sewing box



FIG. 1 is a top, front, right side perspective view of a sewing box showing my new design, the rear and left side being a mirror image of that shown;

FIG. 2 is a front elevation thereof;

FIG. 3 is a right side elevation thereof; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a sewing box, as shown and described. 